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src/java.base/share/classes/jdk/internal/module/Modules.java

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rev 51958 : 8211122: Reduce the number of internal classes made accessible to jdk.unsupported
Reviewed-by: alanb, dfuchs, kvn
   1 /*
   2  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  26 package jdk.internal.module;
  27 
  28 import java.lang.module.Configuration;
  29 import java.lang.module.ModuleDescriptor;
  30 import java.lang.module.ModuleFinder;
  31 import java.lang.module.ModuleReference;
  32 import java.lang.module.ResolvedModule;
  33 import java.net.URI;
  34 import java.security.AccessController;
  35 import java.security.PrivilegedAction;
  36 import java.util.List;
  37 import java.util.Map;
  38 import java.util.Optional;
  39 import java.util.Set;
  40 import java.util.function.Function;
  41 import java.util.stream.Collectors;
  42 
  43 import jdk.internal.loader.BootLoader;
  44 import jdk.internal.loader.BuiltinClassLoader;
  45 import jdk.internal.loader.ClassLoaders;
  46 import jdk.internal.misc.JavaLangAccess;
  47 import jdk.internal.misc.SharedSecrets;
  48 
  49 /**
  50  * A helper class for creating and updating modules. This class is intended to
  51  * support command-line options, tests, and the instrumentation API. It is also
  52  * used by the VM to load modules or add read edges when agents are instrumenting
  53  * code that need to link to supporting classes.
  54  *
  55  * The parameters that are package names in this API are the fully-qualified
  56  * names of the packages as defined in section 6.5.3 of <cite>The Java&trade;
  57  * Language Specification </cite>, for example, {@code "java.lang"}.
  58  */
  59 
  60 public class Modules {
  61     private Modules() { }
  62 
  63     private static final JavaLangAccess JLA = SharedSecrets.getJavaLangAccess();
  64 
  65     /**
  66      * Creates a new Module. The module has the given ModuleDescriptor and
  67      * is defined to the given class loader.


   1 /*
   2  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  26 package jdk.internal.module;
  27 
  28 import java.lang.module.Configuration;
  29 import java.lang.module.ModuleDescriptor;
  30 import java.lang.module.ModuleFinder;
  31 import java.lang.module.ModuleReference;
  32 import java.lang.module.ResolvedModule;
  33 import java.net.URI;
  34 import java.security.AccessController;
  35 import java.security.PrivilegedAction;
  36 import java.util.List;
  37 import java.util.Map;
  38 import java.util.Optional;
  39 import java.util.Set;
  40 import java.util.function.Function;
  41 import java.util.stream.Collectors;
  42 
  43 import jdk.internal.loader.BootLoader;
  44 import jdk.internal.loader.BuiltinClassLoader;
  45 import jdk.internal.loader.ClassLoaders;
  46 import jdk.internal.access.JavaLangAccess;
  47 import jdk.internal.access.SharedSecrets;
  48 
  49 /**
  50  * A helper class for creating and updating modules. This class is intended to
  51  * support command-line options, tests, and the instrumentation API. It is also
  52  * used by the VM to load modules or add read edges when agents are instrumenting
  53  * code that need to link to supporting classes.
  54  *
  55  * The parameters that are package names in this API are the fully-qualified
  56  * names of the packages as defined in section 6.5.3 of <cite>The Java&trade;
  57  * Language Specification </cite>, for example, {@code "java.lang"}.
  58  */
  59 
  60 public class Modules {
  61     private Modules() { }
  62 
  63     private static final JavaLangAccess JLA = SharedSecrets.getJavaLangAccess();
  64 
  65     /**
  66      * Creates a new Module. The module has the given ModuleDescriptor and
  67      * is defined to the given class loader.


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